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Wasm: support null checks and array bound checks

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This commit is contained in:
Alexey Andreev 2020-02-21 16:32:45 +03:00
parent c35861610f
commit 3f2c52000f
1 changed files with 11 additions and 0 deletions
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11
core/src/main/java/org/teavm/backend/wasm/WasmTarget.java
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@ -137,12 +137,16 @@ import org.teavm.model.instructions.InvocationType;
import org.teavm.model.instructions.InvokeInstruction;
import org.teavm.model.lowlevel.CallSiteDescriptor;
import org.teavm.model.lowlevel.Characteristics;
import org.teavm.model.lowlevel.CheckInstructionTransformation;
import org.teavm.model.lowlevel.ClassInitializerEliminator;
import org.teavm.model.lowlevel.ClassInitializerTransformer;
import org.teavm.model.lowlevel.LowLevelNullCheckFilter;
import org.teavm.model.lowlevel.ShadowStackTransformer;
import org.teavm.model.lowlevel.WriteBarrierInsertion;
import org.teavm.model.optimization.InliningFilterFactory;
import org.teavm.model.transformation.BoundCheckInsertion;
import org.teavm.model.transformation.ClassPatch;
import org.teavm.model.transformation.NullCheckInsertion;
import org.teavm.runtime.Allocator;
import org.teavm.runtime.ExceptionHandling;
import org.teavm.runtime.RuntimeArray;
@ -175,6 +179,9 @@ public class WasmTarget implements TeaVMTarget, TeaVMWasmHost {
private WriteBarrierInsertion writeBarrierInsertion;
private WasmBinaryVersion version = WasmBinaryVersion.V_0x1;
private List<WasmIntrinsicFactory> additionalIntrinsics = new ArrayList<>();
private NullCheckInsertion nullCheckInsertion;
private BoundCheckInsertion boundCheckInsertion = new BoundCheckInsertion();
private CheckInstructionTransformation checkTransformation = new CheckInstructionTransformation();
private int minHeapSize = 2 * 1024 * 1024;
private int maxHeapSize = 128 * 1024 * 1024;
@ -185,6 +192,7 @@ public class WasmTarget implements TeaVMTarget, TeaVMWasmHost {
classInitializerEliminator = new ClassInitializerEliminator(controller.getUnprocessedClassSource());
classInitializerTransformer = new ClassInitializerTransformer();
shadowStackTransformer = new ShadowStackTransformer(characteristics, true);
nullCheckInsertion = new NullCheckInsertion(new LowLevelNullCheckFilter(characteristics));
writeBarrierInsertion = new WriteBarrierInsertion(characteristics);
controller.addVirtualMethods(VIRTUAL_METHODS::contains);
@ -341,12 +349,15 @@ public class WasmTarget implements TeaVMTarget, TeaVMWasmHost {
@Override
public void beforeOptimizations(Program program, MethodReader method) {
nullCheckInsertion.transformProgram(program, method.getReference());
boundCheckInsertion.transformProgram(program, method.getReference());
}
@Override
public void afterOptimizations(Program program, MethodReader method) {
classInitializerEliminator.apply(program);
classInitializerTransformer.transform(program);
checkTransformation.apply(program, method.getResultType());
shadowStackTransformer.apply(program, method);
writeBarrierInsertion.apply(program);
}